The hot interstellar medium towards 4U 1820-30: a Bayesian analysis
- D. Rogantini
- E. Costantini
- M. Mehdipour
- L. Kuiper
- P. Ranalli
- L. B. F. M. Waters
DOIAbstract
Context. High-ionisation lines in the soft X-ray band are generally associated to either interstellar hot gas along the line of sight or to photoionised gas intrinsic to the source. In the low-mass X-ray binary 4U 1820-30, the nature of these lines is not well understood. Aims. We aim to characterise the ionised gas present along the line of sight towards 4U 1820-30 producing the X-ray absorption lines of Mg X
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